Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kc6 draw
3 Kd4 draw
4 Kd6 draw
5 Ke1 draw
6 Ke2 draw
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Kf2 draw
11 Kg1 draw
12 Kg2 draw
13 Rc1 draw
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves